To add a ped to NPC selling blacklist, so players won't be able to sell to the ped (example: blackjack dealers, shop keepers, etc.)
exports["drugs_creator"]:addPedToNPCSellingBlacklist(ped)
RegisterNetEvent('drugs_creator:framework:ready', function()
local closestPed = ESX.Game.GetClosestPed()
exports["drugs_creator"]:addPedToNPCSellingBlacklist(closestPed)
end)